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CAS Number: 33939-64-9


CHEM : Poly(oxy-1,2-ethanediyl), .alpha.-(carboxymethyl)

)-, sodium salt

MOL FOR: C24 H47 O8 Na1

MOL WT : 486.63

------------------------------ EPI SUMMARY (v4.11) --------------------------

Henry LC (atm-m3/mole) : ------

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Water Solubility (mg/L): ------

Physical Property Inputs:

Vapor Pressure (mm Hg) : ------

Melting Point (deg C) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.68 estimate) = -0.46

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 719.95 (Adapted Stein & Brown method)

Melting Pt (deg C): 315.34 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 2.64E-017 (Modified Grain method)

VP (Pa, 25 deg C) : 3.53E-015 (Modified Grain method)

Subcooled liquid VP: 4.86E-014 mm Hg (25 deg C, Mod-Grain method)

: 6.48E-012 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 2153

log Kow used: -0.46 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 105.69 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Neutral Organics-acid

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 9.32E-016 atm-m3/mole (9.45E-011 Pa-m3/mole)

Group Method: Incomplete

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 7.851E-021 atm-m3/mole (7.955E-016 Pa-m3/mole)

VP: 2.64E-017 mm Hg (source: MPBPVP)

WS: 2.15E+003 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: -0.46 (KowWin est)

Log Kaw used: -13.419 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 12.959

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : -1.3767

Biowin2 (Non-Linear Model) : 0.0000

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.7833 (weeks )

Biowin4 (Primary Survey Model) : 3.7736 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6074

Biowin6 (MITI Non-Linear Model): 0.2833

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.3462

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 6.48E-012 Pa (4.86E-014 mm Hg)

Log Koa (Koawin est ): 12.959

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 4.63E+005

Octanol/air (Koa) model: 2.23

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1

Mackay model : 1

Octanol/air (Koa) model: 0.994

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 95.4934 E-12 cm3/molecule-sec

Half-Life = 0.112 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.344 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

1 (Junge-Pankow, Mackay avg)

0.994 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 92.53 L/kg (MCI method)

Log Koc: 1.966 (MCI method)

Koc : 0.2279 L/kg (Kow method)

Log Koc: -0.642 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Rate constants can NOT be estimated for this structure!

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.9901 days (HL = 0.1023 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.563 (BCF = 36.53)

Log BAF Arnot-Gobas method (upper trophic) = 1.563 (BAF = 36.53)

log Kow used: 3.35 (estimated)

Volatilization from Water:

Henry LC: 9.32E-016 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.386E+012 hours (5.774E+010 days)

Half-Life from Model Lake : 1.512E+013 hours (6.299E+011 days)

Removal In Wastewater Treatment:

Total removal: 1.85 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.76 percent

Total to Air: 0.00 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.182 2.69 1000

Water 25.2 360 1000

Soil 74.5 720 1000

Sediment 0.14 3.24e+003 0

Persistence Time: 515 hr

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